US Bridges

CO RD 29.5 over Grand Valley Canal

Good

Mesa County, Colorado · .63MI N of US6 · Structure no. MESA-29.5-E.63A

Built
2017
8 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
4,180
2022 count
Owner
County
County Highway Agency

About this bridge

CO RD 29.5 over Grand Valley Canal is a prestressed concrete slab carrying CO RD 29.5 over Grand Valley Canal in Mesa County, Colorado. It was built in 2017, so it is 8 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,180 vehicles a day, roughly 5% of them trucks, projected to reach 4,891 by 2042. The structure is 43 ft (13 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCO RD 29.5
CrossesGrand Valley Canal
Location.63MI N of US6
RouteCounty Highway 0
Coordinates39.08644, -108.50586
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating66 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length43 ft (13 m)
Longest span37 ft (11.4 m)
Deck width61 ft (18.6 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,180 (2022)
Projected traffic4,891 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 29.5 over Grand Valley Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is CO RD 29.5 over Grand Valley Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does CO RD 29.5 over Grand Valley Canal carry?

About 4,180 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CO RD 29.5 over Grand Valley Canal?

The structure is 43 ft (13 m) long with a longest span of 37 ft (11.4 m) and a deck 61 ft wide.

Who owns CO RD 29.5 over Grand Valley Canal?

It is owned by the County Highway Agency.